US PATENT SUBCLASS 213 / 18
.~.~ Swing head

Current as of: June, 1999
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213 /   HD   RAILWAY DRAFT APPLIANCES

7  DF  CUSHIONED {9}
12  DF  .~ Radially movable {5}
18.~.~ Swing head {1}
19  DF  .~.~.~> Centering devices

DEFINITION

Classification: 213/18

(under subclass 12) Means wherein the center of radial movement of the draft device is on a pivot connecting the coupler head to the drawbar.